Home
Volcanoes
Webcams
News
Explore Data
Images
Get Involved
About AVO

Sample: AK-81-51

Sample ID: AK-81-51 [1]
Station ID: AK-81-51
AT Num:
Volcano: Akutan
Possible source:
Eruption:
Collector: Unknown, Unknown
Date sampled: 1981-01-01
Sample type 1: Lava
Color:
Final unit:
Text Description: Porphyritic andesite lava flow. The rock contains clinopyroxene, orthopyroxene, plagioclase, and opaque phenocrysts in a trachytic groundmass. Minor amounts of carbonate and chlorite are present.
Sample Location:
MarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarker
Legend
✕
Red (Warning)
Orange (Watch)
Yellow (Advisory)
Green (Normal)
Uninstrumented

30 km
20 mi
Leaflet U.S. Department of the Interior | U.S. Geological Survey | Policies

References Cited

[1] The igneous petrology and geochemistry of northern Akutan Island, Alaska, 1982

Romick, J. D., 1982, The igneous petrology and geochemistry of northern Akutan Island, Alaska: University of Alaska Fairbanks unpublished M.S. thesis, 151 p.